aws-cdk/lib/cli/telemetry/telemetry-state.js

AWS CDK CLI, the command line tool for CDK apps

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.withTelemetryState = withTelemetryState;
exports.loadTelemetryState = loadTelemetryState;
exports.writeTelemetryState = writeTelemetryState;
const fs = require("fs/promises");
const path = require("path");
const installation_id_1 = require("./installation-id");
const util_1 = require("../../util");
/**
 * Run a function that can modify the given telemetry state.
 */
async function withTelemetryState(block) {
    const state = await loadTelemetryState();
    const oldState = JSON.stringify(state);
    const ret = block(state);
    // Only write a file if the contents changed.
    if (JSON.stringify(ret) !== oldState) {
        await writeTelemetryState(state);
    }
    return ret;
}
/**
 * Load telemetry state
 */
async function loadTelemetryState() {
    try {
        return JSON.parse(await fs.readFile(TELEMETRY_STATE_PATH, 'utf-8'));
    }
    catch (e) {
        if (e.code === 'ENOENT') {
            return {};
        }
        throw e;
    }
}
async function writeTelemetryState(state) {
    await (0, installation_id_1.ensureCacheDir)();
    await fs.writeFile(TELEMETRY_STATE_PATH, JSON.stringify(state, undefined, 2), 'utf-8');
}
const TELEMETRY_STATE_PATH = path.join((0, util_1.cdkCacheDir)(), 'telemetry-state.json');
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